Detect in6_pktinfo on hurd-i386.
Detect in6_pktinfo on hurd-i386.

Addresses-Debian-Bug: 820404
Signed-off-by: LaMont Jones <0ab8dc438f73addc98d9ad5925ec8f2b97991703@debian.org>

tjaalton/bind9,tjaalton/bind9,tjaalton/bind9,tjaalton/bind9,tjaalton/bind9,tjaalton/bind9